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Parts & Accessories
$23.99
Our stem mount for Wahoo ELEMNT GPS bike computers is made of lightweight, durable plastic and is a great solution for cyclists who prefer to keep their computer on top of the stem.
- Fits any stem
- Weight: 0.2oz
- Works with ELEMNT, ELEMNT ROAM, ELEMNT BOLT, and ELEMNT Mini
Note: BOLT loses aerodynamic advantage with this mount)
$30.99
Our patent-pending integrated mount for the ELEMNT BOLT GPS bike computer is made of durable, lightweight plastic. It also comes with an optional locking screw that is UCI compliant for connecting your ELEMNT BOLT to your bike for weigh-ins.
- Fits 31.8mm round bars
- Weight: 0.9oz
- Works exclusively with the newest ELEMNT BOLT
$264.99
Know what's coming.
Ride with extra confidence with Trek CarBack Radar Rear Light. CarBack's radar helps detect rear-approaching vehicles from up to 240m and provides audio and visual alerts through paired GPS head units for increased on-bike awareness.
Built with integrated best-in-class Daytime Running Lights that are visible from up to 2km away, CarBack is a must-have for every cyclist riding on shared roads.
- CarBack can detect and alert riders of rear-approaching vehicles from up to 240m away
- Compatible with most cycling GPS computers
- Pair CarBack with the Trek Accessory app to see a vehicle's rear-approaching and passing distance on your smartphone
- Designed with focus, flash, and range to be Daytime-visible from up to 2km away
- Four light flash modes: Day Flash 90LM, Day Steady 25LM, Night Steady 5LM, and Night Flash 5 LM
- Visible fuel gauge LEDs make it easy to see CarBack's 7+ hour battery status
- IPX7 waterproof rating to confidently ride through wet conditions
- Includes Quick Connect Plus rear mount and USB-C charging cable
$30.87
$49.99
38% Off
Shimano Di2 Frame Junction Box
Frame Junction Box connects via SD50 E-tube wires to four different points: front derailleur, rear derailleur, cockpit junction box and battery mount
All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions
Use Di2 system checker to update component firmware from http://e-tubeproject.shimano.com/
$72.99
The Shimano EW-EC300 Charging Cable is compatible with new Shimano 12-speed road Di2 systems. This cable will also recharge the Dura-Ace R9200 and Ultegra R8100 power meter cranksets.
1700mm cable length
$264.99
The new DN300 Built-In type battery features the same waterproof design that Di2 users have loved for generations. Now with 3 ports, it delivers stable power to Shimano's 12-speed road derailleurs (and shifters if a fully wired option is selected).
- Compatible with thinner next-generation electric wire SD300 and systems after R9250/R8150 series
- Li-Ion type
- Capacity: 500 mAH |3.7Wh (± 2000km autonomy)
- Rated voltage: 7.4V
- Charges through RD-R9250 |RD-R8150 rear derailleur using EW-EC300 Di2 Charging Cable (sold separately)
- Fixing small parts included
- Weight: 52g
$71.00
SRAM eTap batteries are literally a snap to remove and charge. Just flip the tool-free battery latch up and slide the battery up and out of the derailleur. Then snap the battery into the USB powered charger and connect the charger to any USB power source or A/C USB adaptor. A full charge takes just 45 minutes to complete.
- Finish: Black
- Compatibility: SRAM RED eTap
$87.00
SRAM eTap Battery is the power source for the eTap system. The same power unit is interchangeable between front and rear derailleurs.
- Up to 1000 kilometers of riding per charge
- Weight: 24g
- Finish: Black
- Compatibility: SRAM RED eTap
$163.80
KMC's digital ChainChecker is the most accurate tool for checking your chain’s elongation.
- Measures up to 2.5mm elongation
- Fits all chains including 11 speed
- Handy electronic device
- Stainless hardened metal body
$7.99
Replacement plastic insert kit for K-EDGE Wahoo Mounts.
The co-polymer insert for Wahoo 1/4-turn style computers is a replaceable item. While it is extremely strong, it is designed to fail on a significant impact before the tabs on the back of the Wahoo break.
Attributes (specs):
– Qty 1 – K-EDGE Co-polymer Insert for Wahoo 1/4 Computer (Part No. K13-1604)
– Qty 2 – M3 x 0.5mm x 6mm with Pre-Applied Nylon 180,18-8 S.S. Screws
$8.99
The K-EDGE co-polymer insert for Garmin 1/4 Turn style computers is a replaceable item. While it is extremely strong, we designed this insert to fail on a significant impact before the tabs on the back of the Garmin break.
- Qty 1 – K-EDGE Co-polymer Insert for Garmin 1/4 Computer (Part No. K13-503)
- Qty 2 – M3 x 0.5mm x 6mm with Pre-Applied Nylon 180,18-8 S.S. Screws
$34.99
Convert your K-Edge Garmin Computer Mount to be a Computer + Action Camera combination mount. Works with any camera that utilizes the GoPro sytle interface, including GoPro Hero, Garmin VIRB, and Shimano CM-1000.
- Camera Adapter mount with GoPro style interface
- Fits K-EDGE Garmin Mounts (K13-500, K13-505, K13-560)
- Locks GoPro, Shimano, VIRB style cameras underneath Garmin Computer.
- Centers camera in out of site position
- Improves video clarity by removing plastic mount shake
- Colors: Anodized Black
- Weight: 14grams
*Note: Garmin VIRB requires the GoPro adapter that is included in the box with the VIRB.
$38.99
The K-EDGE Gravity Cap is a great computer mount option for those riders that already a lot going on with the cockpit of their bikes, or just want a simple and sleek computer mount. The Gravity Cap replaces your existing top cap and is ideal for Downhill, Enduro, Gravel, Touring, etc.
- CNC Machined 6061-T6 Aluminum
- Injection Molded Copolymer Interface
- Compatibility: Wahoo ELEMNT
- Lifetime Warranty
- Weight: 18g
- Anodized Colors: Black
$39.99
The K-EDGE Gravity Top Cap is a great computer mount for those mountain riders that already a lot going on with the cockpit of their bikes, or just want a simple and sleek looking computer mount. The Top Cap replaces your already existing top cap with the K-EDGE Gravity top cap. Ideal position for Downhill and Enduro racing/riding, but is also a popular solution for any bike when using a smaller style computer (20, 25, 200, 500, 510, 520, 820).
- CNC Machined 6061-T6 Aluminum Platform, Injection Molded Garmin Specific Co- Polymer Interface
- Compatibility: All Garmin Edge® Computers including the 1030*, 1000*, 820, 810*, 800*, 510, 520, 500, 200, 25, 20. Also supports the Touring, Touring Plus, Forerunner 310XT, and 910XT. (Larger EDGE computers such as 800, 810, 1000, 1030 may interfere with very steep, upright, stem angles.)
- Made in Boise, Idaho, USA.
- Lifetime Guarantee against material or manufacture defects. Damages due to abuse or crashing excluded.
$44.99
K-EDGE’s legendary CNC machined aluminum quality and strength for the price conscious cyclist. Pro positioning of your computer, out-front and flush with the top of the handlebar.
- CNC Machined 6061-T6 Aluminum Platform, Injection Molded Copolymer Interface
- Compatible: Garmin EDGE 820, 520, 510, 500, 25 and 20.
- Replaceable Garmin Insert with K-EDGE “Definitive Click” locking system
- Fits 31.8MM Handlebars
- NOT combo compatible
- Weight: 48g
- Anodized Color- Black
$59.99
The K-EDGE Garmin Stem Mount is a great upgrade solution for cyclists who prefer their computer above the stem. Mounting off of the steerer tube, the mount replaces a standard 5mm spacer, and is locked securely in place by the top cap compression system.
The adjustable version allows for a variety of different stem angles. Can be used with positive or negative degree stems and additional spacers can be added (5mm to 10mm) above the stem. Note that some of the larger computers will not always work with a steep angled stem.
Designed with mountain biking in mind, the K-EDGE Stem mount is also ideal for much more including: cyclocross; triathlon; bike touring; or if you simply prefer this position for your computer.
$59.99
A lightweight and highly adjustable mount for positioning any Garmin computer on aero bars. The pivoting two piece design offers multiple mounting positions based on aero bars, hydration systems and rider preference.
- For 22.2mm diameter aero bar extensions
- Compatible with all Garmin EDGE computers
- Highly adjustable for multitude of mounting positions
- Replaceable Garmin Insert with K-EDGE “Definitive Click” locking system
- GoPro Interface Compatible
- Weight: 29g
- Anodized Colors: Black, Red, Blue
- Made in Boise, Idaho, USA
- Lifetime Guarantee against material or manufacture defects. Damages due to abuse or crashing excluded
$74.99
- CNC Machined Aluminum
- Combo Compatible (K13-580 adapter sold separately)
- GARMIN approved replaceable computer insert protects computer tabs
- Anodized Black with laser etched logos
- Payload Capacity: Top 123g / Bottom 242g with combo adapter
- Weight- 47g
Compatibility:
- GARMIN Cycling Computers smaller than EDGE 1000, 1030 style (example EDGE 820)
- Combo compatible (GoPro-style light/camera interface) K13-580-BLK adapter sold separately
$74.99
- CNC Machined Aluminum
- Combo Compatible (K13-580 adapter sold separately)
- GARMIN approved replaceable computer insert protects computer tabs
- Anodized Black with laser etched logos
- Payload Capacity: Top 123g / Bottom 242g with combo adapter
- Weight- 50g
Compatibility:
- All Garmin Cycling Computers
- Combo (GoPro-style light/camera interface) adapter compatible (K13-580-BLK sold separately)
$94.99
The strongest K-EDGE Mount yet, designed for today’s heaviest computers, cameras and lights. Upgrade to the Garmin Max Combo mount for a solid and clean platform for your cycling electronics. Chosen by the best, year after year, when quality, performance and craftsmanship matter.
- Max combo mount is compatible with GARMIN Cycling Computers smaller than EDGE 1000, 1030 style (example EDGE 820)
- Combo Mount (Computer on top – light or camera underneath) with GoPro style light/camera interface
- GARMIN approved replaceable computer insert protects computer tabs
- CNC Machined Aluminum, Anodized Black with laser etched logos
- Made in-house, Boise, Idaho USA with a Lifetime Warranty
- Weight: 60g
$94.99
The strongest K-EDGE Mount yet, designed for today’s heaviest computers, cameras and lights. Upgrade to the Garmin Max Combo mount for a solid and clean platform for your cycling electronics. Chosen by the best, year after year, when quality, performance and craftsmanship matter.
- Max XL combo mount is compatible with all Garmin Cycling Computers
- Combo Mount (Computer on top – light or camera underneath) with GoPro style light/camera interface
- GARMIN approved replaceable computer insert protects computer tabs
- CNC Machined Aluminum, Anodized Black with laser etched logos
- Made in-house, Boise, Idaho USA with a Lifetime Warranty
- Weight: 63g
$117.49
- CNC Machined Aluminum
- Combo (Computer on top – light or camera underneath)
- WAHOO approved replaceable computer insert protects computer tabs
- Anodized Black with laser etched logos
- Payload Capacity: Top - 123g / Bottom 242g on K-EDGE K13-580 Combo adapter
- Weight: 60g
- Mount Type: Clamp 31.8mm
- Mount Weight: 60g
Compatibly:
- All WAHOO Cycling Computers – ROAM, BOLT, ELEMNT, MINI
$117.49
- CNC Machined Aluminum
- Combo Compatible (580 Add-On sold separately)
- WAHOO approved replaceable computer insert protects computer tabs
- Anodized Black with laser etched logos
- Payload Capacity: Top - 123g / Bottom 242g
- Weight: 63g
- Mount Type: Clamp 31.8mm
- Mount Weight: 53g
Compatibly:
- All Wahoo Cycling Computers- ROAM, BOLT, ELEMNT, MINI
- Combo (GoPro-style light/camera interface) K13-4500-31.8-BLK
$39.99
Be ready for any terrain with this Garmin Edge mountain bike mount designed specifically for bikes with short stems. It’s ideal for off-road riding when you may not want your Edge bike computer mounted in front of your handlebar.
$69.99
Stay ahead of the pack with Garmin's Extended Out-front Bike Mount that lets you to take full advantage of your Edge's capabilities without compromising your ride. The mount positions your device for easier monitoring and safety. Also compatible with the Forerunner 910XT and 310XT when used with a quick-release kit (sold separately).
$69.99
Stay ahead of the pack with Garmin's Out-front Bike Mount that lets you to take full advantage of your Edge's capabilities without compromising your ride. The mount positions your device for easier monitoring and safety. Also compatible with the Forerunner 910XT and 310XT when used with a quick-release kit (sold separately).
$95.99
Monitor your speed and cadence as you ride with these easy-to-install wireless sensors. With no magnets or other exposed parts to line up, these sensors are easy to install, maintain and move between bikes.
The speed sensor 2 attaches to the hub of either wheel and self-calibrates with your Edge cycling computer or compatible Garmin device to give you accurate speed and distance at all times — even without a head unit.
The cadence sensor 2 fastens to any size crank arm and measures pedal strokes per minute so you can get the most out of your training.
Send live speed, distance and cadence data to compatible training apps or displays by using ANT+ connectivity and BLUETOOTH Low Energy technology.
With both of these sensors on your bike, you can work to improve your personal best or see where you stand against the pros.
$99.99
Monitor your pedaling cadence as you ride with this easy-to-install wireless sensor. With no magnets or other exposed parts to line up, this sensor is easy to install, maintain and move between bikes.
Simply attach the sensor and ride. With no magnets or other exposed parts to line up, this sensor is easy to install, maintain and move between bikes.
$269.99
Stay aware of approaching cars with Varia RTL515 rearview radar. It pairs with your Edge bike computer or compatible smartphone to alert
you of vehicles approaching from behind up to 153 yards (140 meters) away. When used with your compatible smartphone, the Varia app uses
bold graphics — plus tone and vibration alerts — to indicate the position and speed of approaching vehicles.
MAXIMUM AWARENESS
- Varia RTL515 rearview radar provides visual and audible alerts for vehicles approaching from behind up to 153 yards (140 meters) away.
MULTIPLE PAIRING OPTIONS
- This radar works seamlessly with your Edge bike computer or compatible smartphone as well as select Garmin wearables or the optional radar display unit.
WORKS WITH THE VARIA APP
- This smartphone app helps you increase your awareness by providing graphics — plus tone and vibration alerts — that indicate the position and speed of approaching cars.
THIRD-PARTY APP COMPATIBLE
- When used with a compatible smartphone, Varia radar integrates with your favorite apps, such as Ride with GPS to overlay your maps with rearview radar alerts.
SUPERIOR VISIBILITY
- Alert motorists to your presence as soon as possible with daylight visibility up to 1 mile.
COMPACT DESIGN
- Easily mount this sleek, compact device on the seatpost of almost any road-use bicycle. The vertical design allows for better leg clearance and a perfectly comfortable ride.
PELOTON MODE
- Varia RTL515 features multiple modes, including peloton mode, which provides a low-intensity flash that is kind to other cyclists’ eyes when riding in a group.
BATTERY LIFE
- Time spent charging is not as good as time spent riding. Get up to 16 hours of battery life in day flash mode and up to 6 hours in solid mode.
Physical Specifications
- Dimensions: 3.9” x 0.8” x 1.6" (98.6 x 19.7 x 39.6 mm)
- Weight: 2.5 oz (71.0 g)
- Modes: solid, peloton, night flash, day flash
- Lumens: 20 solid, 8 peloton, 29 night flash, 65 day flash
- Battery life: 6 hours solid, 8 hours peloton, 6 hours night flash, 16 hours day flash
- ANT+: Yes
- BLE: Yes
- Water rating: IPX7
- Viewing angle: 220°
In the box:
- Varia RTL515
- Mounting Kit
- Cables
- Documentation
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